1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.framesequence.samples;
17
18import android.app.Activity;
19import android.graphics.Bitmap;
20import android.os.Bundle;
21import android.support.rastermill.FrameSequence;
22import android.support.rastermill.FrameSequenceDrawable;
23import android.view.View;
24import android.widget.ImageView;
25import android.widget.Toast;
26
27import java.io.InputStream;
28import java.util.HashSet;
29
30public class FrameSequenceTest extends Activity {
31    FrameSequenceDrawable mDrawable;
32    int mResourceId;
33
34    // This provider is entirely unnecessary, just here to validate the acquire/release process
35    private class CheckingProvider implements FrameSequenceDrawable.BitmapProvider {
36        HashSet<Bitmap> mBitmaps = new HashSet<Bitmap>();
37        @Override
38        public Bitmap acquireBitmap(int minWidth, int minHeight) {
39            Bitmap bitmap =
40                    Bitmap.createBitmap(minWidth + 1, minHeight + 4, Bitmap.Config.ARGB_8888);
41            mBitmaps.add(bitmap);
42            return bitmap;
43        }
44
45        @Override
46        public void releaseBitmap(Bitmap bitmap) {
47            if (!mBitmaps.contains(bitmap)) throw new IllegalStateException();
48            mBitmaps.remove(bitmap);
49            bitmap.recycle();
50        }
51
52        public boolean isEmpty() {
53            return mBitmaps.isEmpty();
54        }
55    }
56
57    final CheckingProvider mProvider = new CheckingProvider();
58
59    @Override
60    public void onCreate(Bundle savedInstanceState) {
61        super.onCreate(savedInstanceState);
62
63        mResourceId = getIntent().getIntExtra("resourceId", R.raw.animated_gif);
64
65        setContentView(R.layout.basic_test_activity);
66        findViewById(R.id.start).setOnClickListener(new View.OnClickListener() {
67            @Override
68            public void onClick(View view) {
69                mDrawable.start();
70            }
71        });
72        findViewById(R.id.stop).setOnClickListener(new View.OnClickListener() {
73            @Override
74            public void onClick(View view) {
75                mDrawable.stop();
76            }
77        });
78        findViewById(R.id.vis).setOnClickListener(new View.OnClickListener() {
79            @Override
80            public void onClick(View view) {
81                mDrawable.setVisible(true, true);
82            }
83        });
84        findViewById(R.id.invis).setOnClickListener(new View.OnClickListener() {
85            @Override
86            public void onClick(View view) {
87                mDrawable.setVisible(false, true);
88            }
89        });
90    }
91
92    @Override
93    protected void onResume() {
94        super.onResume();
95
96        ImageView imageView = (ImageView) findViewById(R.id.imageview);
97        InputStream is = getResources().openRawResource(mResourceId);
98
99        FrameSequence fs = FrameSequence.decodeStream(is);
100        mDrawable = new FrameSequenceDrawable(fs, mProvider);
101        mDrawable.setOnFinishedListener(new FrameSequenceDrawable.OnFinishedListener() {
102            @Override
103            public void onFinished(FrameSequenceDrawable drawable) {
104                Toast.makeText(getApplicationContext(),
105                        "The animation has finished", Toast.LENGTH_SHORT).show();
106            }
107        });
108        imageView.setImageDrawable(mDrawable);
109    }
110
111    @Override
112    protected void onPause() {
113        super.onPause();
114        ImageView imageView = (ImageView) findViewById(R.id.imageview);
115
116        mDrawable.destroy();
117        if (!mProvider.isEmpty()) throw new IllegalStateException("All bitmaps not recycled");
118
119        mDrawable = null;
120        imageView.setImageDrawable(null);
121
122    }
123}
124